• World Neurosurg · Jan 2018

    Comparative Study

    Comparison of Recanalization and In-stent Stenosis between LVIS stent and Enterprise stent-assisted coiling for 254 intracranial aneurysms.

    • Xin Feng, Zenghui Qian, Peng Liu, Baorui Zhang, Luyao Wang, Erkang Guo, Xiaolong Wen, Wenjuan Xu, Chuhan Jiang, Zhongxue Wu, Youxiang Li, and Aihua Liu.
    • Beijing Neurosurgical Institute and Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
    • World Neurosurg. 2018 Jan 1; 109: e99-e104.

    ObjectiveTo compare the rates of recanalization and in-stent stenosis between the Enterprise (EP) and low-profile visualized intraluminal support (LVIS) stent deployments for intracranial aneurysms (IAs), and the factors associated therein.MethodsBetween June 2014 and July 2016, 142 patients with a total of 161 IAs were treated by LVIS stent-assisted coiling and 111 patients with a total of 142 IAs were treated by EP stent-assisted coiling at our institution. Procedure-related complications, angiographic follow-up results, and clinical outcomes were analyzed statistically.ResultsThe rates of initially complete and near-complete IA occlusion immediately after the procedure were similar in the LVIS and EP groups (94.3% vs. 89.9%; P = 0.275). On follow-up, complete and near-complete occlusion rates and recanalization rates were also similar in the 2 groups (96.6% vs. 92.1%; P =0.330 and 8.0% vs. 13.5%; P = 0.245, respectively). On logistic regression analysis, a higher size ratio (SR) was significantly associated with the recanalization of aneurysms in the EP group, but not in the LVIS group. The rate of moderate to severe in-stent stenosis was lower in the LVIS group (10.2%) than in the EP group (16.8%), but the difference was not statistically significant (P = 0.198).ConclusionsOur data show acceptable rates of complete and near-complete occlusion with both the LVIS and EP stents. LVIS stents were associated with lower rates of recanalization and in-stent stenosis, but the difference was not significant. Higher SR (≥2) was a significant predictor of recanalization in IAs treated with EP stents, but not in those treated with LVIS stents.Copyright © 2017. Published by Elsevier Inc.

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